Patent · US Active

Coil former for a linear motor stator for an automatic door

US8390155B2 · kind B2 · utility

3Cited by

8References

18Claims

0Family size

Assignee

Dorma GmbH + Co. KG · DE

Inventors

Sven Busch · Dortmund, DE
Thomas Schuler · Wiernsheim, DE

Key dates

Filing date	Jul 18, 2008
Grant date	Mar 5, 2013
Priority date	—
Expiry date	Apr 29, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T29/49009
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A coil former for a linear motor stator for an automatic door having a coil arrangement, which, upon appropriate activation, is able to produce an interaction with a linear motor rotor, which causes thrust forces, with a body for the reception of a winding wire to form a coil, and at least one flange terminating the body at the front side, wherein the at least one flange of the coil former has at least one wire reception, which is able to receive a predetermined length of the winding wire and is able to, at least partially, release it again.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.